EP1966880B1 - Moteur - Google Patents

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Publication number
EP1966880B1
EP1966880B1 EP06841397A EP06841397A EP1966880B1 EP 1966880 B1 EP1966880 B1 EP 1966880B1 EP 06841397 A EP06841397 A EP 06841397A EP 06841397 A EP06841397 A EP 06841397A EP 1966880 B1 EP1966880 B1 EP 1966880B1
Authority
EP
European Patent Office
Prior art keywords
motor
triac
thermic
protector
control unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06841397A
Other languages
German (de)
English (en)
Other versions
EP1966880A2 (fr
Inventor
Sezgin Parmaksiz
Mustafa Yuksel
Orhan Diril
Ahmet Ferit Cosan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arcelik AS
Original Assignee
Arcelik AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Priority to SI200631114T priority Critical patent/SI1966880T1/sl
Publication of EP1966880A2 publication Critical patent/EP1966880A2/fr
Application granted granted Critical
Publication of EP1966880B1 publication Critical patent/EP1966880B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/42—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor
    • H02P1/44—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor by phase-splitting with a capacitor

Definitions

  • This invention relates to a motor with an improved startup performance.
  • the switching elements called thermic protectors switching to cut off state in case of high current and/or high temperature conditions and protecting the motor by cutting the mains voltage are used.
  • an international patent application W02005046042 discloses a protecting device for an electric motor comprising at least one thermal switch operatively and electrically connecting the power source to the power switches and being thermally coupled to the latter, in order to detect the temperature in said power switches and interrupt the current to the latter when the temperature in any of said power switches reaches a determined value which is predefined and higher than a respective predetermined value for the maximum operating temperature of the power switches.
  • a controller device for induction motors or compressors in refrigerating apparatus which comprises a controller and switching means interlocked with the controller and active on a starting winding and a running winding of a compressor; the controller comprises a processing unit calculating a main parameter depending on a characteristic magnitude of the compressor detected by a detecting block, comparing the main parameter with a value contained in a memory and generating a control signal.
  • both of the triacs connected to the primary winding and the secondary winding are ignited at the same time and the startup of the motor is provided.
  • the continuous operation triac continues to be driven to keep the motor operation but the starter triac used only for the motor startup is turned off.
  • the starter triac continues to be driven.
  • the starter triac can not be ignited as the microprocessor does not have any information about the state of the thermic protector. In this case, the motor startup does not occur since the starter triac is not ignited when the thermic protector switches from off state to on state.
  • the objective of the present invention is the realization of a motor the startup of which is provided by switching-on the starter triac according to the state of the thermic protector.
  • the motor realized in order to fulfill the objectives of this invention and explicated in the first claim and depending claims thereof comprises a thermic protector which protects the motor by switching to the cut off state in case of high temperatures and high currents, a motor driving circuit having power elements to provide the motor start and motor stop, and a control unit providing the control of the motor driving circuit by a microprocessor.
  • the control unit provides the evaluation of the voltage values on the resistors connected to the common terminal of the motor or the motor driving circuit by the microprocessor, and easy startup of the motor by controlling whether the thermic protector is in on or off state in order to ignite the starter triac according to this evaluation.
  • whether thermic protector is in on or off states is detected by measuring the current on the resistor connected to the terminal of the continuous operation triac and accordingly, the motor is started by providing the ignition of the starter triac.
  • the off state of the thermic protector is detected by measuring the voltage on the terminals of the continuous operation triac, and accordingly the motor is started by providing the ignition of the starter triac.
  • the off state of the thermic protector is detected by measuring the voltage on the common terminal of the motor, and accordingly the motor is started by providing the ignition of the starter triac.
  • the motor (1) of the present invention is driven by a power supply (5).
  • the motor (1) comprises a main winding (MW), an auxiliary winding (AW), a common terminal (C) where one terminals of these windings (MW and AW) are connected to each other, a thermic protector (4) positioned between the common terminal (C) and the power supply (5), cutting off the mains voltage by switching to the off state in case of high electric current and/or high temperature, and a motor driving circuit (2) connected to the main and auxiliary windings (MW and AW) providing to start or stop the motor (1).
  • MW main winding
  • AW auxiliary winding
  • C common terminal
  • thermic protector (4) positioned between the common terminal (C) and the power supply (5), cutting off the mains voltage by switching to the off state in case of high electric current and/or high temperature
  • a motor driving circuit (2) connected to the main and auxiliary windings (MW and AW) providing to start or stop the motor (1).
  • the motor driving circuit (2) comprises a starter triac (16) connected to the auxiliary winding (AW) in series, triggered for a while during the startup to provide the running of the motor (1), switched off after the motor (1) start, and a continuous operation triac (6) connected to the main winding (MW) in series, providing the controlled starting or stopping of the motor (1) even when the starter triac (16) is switched off, driven when the thermic protector (4) is switched to the off state.
  • AW auxiliary winding
  • MW main winding
  • the motor (1) comprises one or ore voltage/current measurement circuits (7) one ends of which are connected to the control unit (3), the other to the motor driving circuit (2) or the common terminal (C) of the motor (1) and a control unit (3) which provides the motor (1) start by triggering the continuous operation triac (6) together with the starter triac (16) when it is detected that the thermic protector (4) is switched to the on state due to an increase in voltage or current of the voltage/current measurement circuit (7) so as to determine the state of the thermic protector (4).
  • it is provided to control the starter triac (16) by detecting the state of the thermic protector (4) and to obtain the needed start torque for the motor (1) start.
  • one terminal (T2) of the continuous operation triac (6) is connected to the main winding (MW), the other terminal (T1) to a terminal (T1) of the starter triac (16), and the gate terminal (G2) is connected to the control unit (3) via a resistance (R2).
  • One terminal (T2) of the starter triac (16) is connected to the auxiliary winding (AW) as the other terminal (T1) is connected to the other terminal (T2) of the continuous operation triac (6) and the gate terminal (G1) is connected to the control unit (3) via a resistance (R1).
  • Those resistances (R1 and R2) connected to the control unit (3) are used to limit the electric currents on the gate terminals (G1 and G2) of each triacs (TR1 and TR2).
  • the control unit (3) drives the starter and the continuous operation triacs (16 and 6) and the motor (1) is controlled by switching on/off by means of the continuous operation triac (6).
  • the starter and the continuous operation triacs (16 and 6) are switched-on and the starter triac (16) is driven during a period needed for the motor (1) start, and thus, current passes through the main winding (MW) and the auxiliary winding (AW).
  • the motor (1) starts rotating as a result of the torque created on the motor (1) by the current passing through the auxiliary winding (AW).
  • the starter triac (16) is not driven from that time on. Thus, the unnecessary power consumption after the motor (1) startup is prevented.
  • the voltage/current measurement circuit (7) reads "no voltage".
  • the thermic protector (4) switches-on to provide the motor (1) to be fed by the mains voltage.
  • the voltage/current measurement circuit (7) reads a certain voltage. This voltage data is evaluated by the control unit (3) and it is decided that the thermic protector (4) is on, and the starter triac (16) is triggered by the control unit (3). At this moment, as the continuous operation triac (6) is already on, a healthy startup of the motor (1) is provided by driving both triacs (6 and 16). The starter triac (16) is driven for a certain time period and then switched-off to provide the normal operation of the motor (1).
  • the voltage/current measurement circuit (7) comprises a resistance (R3) placed between the terminal (T1) of the continuous operation triac (6) and the power supply (5), having a connection with the point connecting the T1 terminal and the control unit (3) so as to enable the control unit (3) to evaluate the current passing through it ( Figure 1 ).
  • the voltage/current measurement circuit (7) is a voltage divider which is comprised of two resistances (R4 and R5) connected in series.
  • the terminal of one (R4) of the resistances is connected to the terminal (T2) of the continuous operation triac (6), and the end of the other resistance (R5) is to the line where the power supply (5) and the triacs (6 and 16) are connected.
  • the point where both the resistances (R4 and R5) are connected to each other is connected to the control unit (3).
  • the voltage on the continuous operation triac (6) is decreased by the voltage divider and evaluated by the control unit (3) to decide whether the thermic protector (4) is switched to the off state or not ( Figure 2 ).
  • a voltage divider which is comprised of two resistances (R6 and R7) in series are used as the voltage/current measurement circuit (7).
  • the voltage divider is placed between the common terminal (C) of the motor (1) and the line connecting the power supply (5) and the triacs (6 and 16). The point where both of the resistances (R6 and R7) are connected to each other is connected to the control unit (3).
  • the voltage between this circuit (7) and the common terminal (C) of the motor (1) is decreased by the voltage divider and evaluated by the control unit (3) to decide whether the thermic protector (4) is switched to the off state or not ( Figure 3 ).
  • the motor (1) is fed by an alternating current power supply (5), and preferably used in the compressors of the cooling systems.
  • CT capacitor
  • sensors which can measure electric current or voltage can be used instead of the resistances (R3, R4, R5, R6, and R7) used.
  • a motor (1) comprising a control unit (3) and a thermic protector (4) which protects the motor (1) from high temperature and current, by transferring the data including the state of the thermic protector (4) to the control unit (3) and by igniting the triacs (6 and 16) according to the state of the thermic protector (4), the motor (1) is provided to start without the need for additional circuit elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Motor And Converter Starters (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Electric Motors In General (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Valve Device For Special Equipments (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Claims (4)

  1. Un moteur (1) comprenant :
    • un enroulement primaire (MW),
    • un enroulement secondaire (AW),
    • une borne commune (C) où l'une des bornes de ces deux enroulements (MW et AW) sont reliées les unes les autres,
    • un protecteur thermique (4) disposé entre cette borne commune (C) et une source d'alimentation (5), détachant la borne commune (C) de la source d'alimentation (5) en passant à l'état au repos en cas de température élevée et/ou courant élevé.
    • un circuit de commande moteur (2) ayant
    o un triac de démarrage (16) qui est relié en série à l'enroulement secondaire (AW), permettant le démarrage du moteur (1) en étant déclenché pendant le démarrage du moteur (1) pour une certaine période de temps au démarrage, étant éteint après que le moteur (1) démarre, et
    o un triac à marche continue (6) qui est relié à l'enroulement primaire (MW) en série, qui est continué d'être alimenté, même après que le triac de démarrage (16) est éteint et après que le protecteur thermique (4) est en état au repos.
    • une unité de contrôle (3) qui permet le contrôle du circuit de commande moteur (2) et caractérisé par
    • un circuit de mesure de tension/courant (7) dont une borne est reliée à l'unité de contrôle (3), et l'autre borne est relié au circuit de commande moteur (2) ou à la borne commune (C) de manière à transmettre les données contenant l'état du protecteur thermique (4) passant de l'état au repos à l'état passant à l'unité de contrôle (3).
    • l"unité de contrôle (3) qui détermine que le protecteur thermiuque (4) est passé à l'état passant d'après l'augmentation du courant ou la tension sur le circuit de mesure de tension/courant (7) et
    • permettant la réalisation du démarrage du moteur (1) en déclenchant le triac de démarrage (16) avec le triac à marche continue (6) lorsque l'unité de contrôle (3) détermine que le protecteur thermique (4) est ramené à l'état passant.
  2. Un moteur (1) selon la Revendication 1, caractérisé par un circuit de mesure de tension/courant (7) placé entre la borne (T1) du triac à marche continue (6) et la source d'alimentation (5), comprenant au moins une résistance (R3) reliée à l'unité de contrôle (3) au point où elle est reliée à la borne (T1) de telle sorte que le courant qui la traverse peut être évalué.
  3. Un moteur (1) selon la Revendication 1, caractérisé par un circuit de mesure de tension/courant (7) comprenant au moins deux résistances (R4 et R5) reliées les unes aux autres en série au point où la borne de l'une des résistances (R4) est reliée à la borne (T2) du triac à marche continue (6) tandis que la borne de l'autre résistance (R5) est reliée à la ligne reliant la source d'alimentation (5) et les triacs (6 et 16).
  4. Un moteur (1) selon la Revendication 1, caractérisée par un circuit de mesure de tension/courant (7) comprenant au moins deux résistances (R6 et R7) reliées les unes aux autres en série, placées entre la borne commune (C) et la source d'alimentation (5) ou à la ligne reliant les triacs (6 et 16) et reliées à l'unité de contrôle (3) au point où elles sont reliées les unes aux autres.
EP06841397A 2005-12-29 2006-12-18 Moteur Not-in-force EP1966880B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200631114T SI1966880T1 (sl) 2005-12-29 2006-12-18 Motor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200505323 2005-12-29
PCT/EP2006/069802 WO2007074092A2 (fr) 2005-12-29 2006-12-18 Moteur

Publications (2)

Publication Number Publication Date
EP1966880A2 EP1966880A2 (fr) 2008-09-10
EP1966880B1 true EP1966880B1 (fr) 2011-06-29

Family

ID=38059453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06841397A Not-in-force EP1966880B1 (fr) 2005-12-29 2006-12-18 Moteur

Country Status (6)

Country Link
EP (1) EP1966880B1 (fr)
AT (1) ATE515100T1 (fr)
DK (1) DK1966880T3 (fr)
ES (1) ES2366482T3 (fr)
SI (1) SI1966880T1 (fr)
WO (1) WO2007074092A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011080240A2 (fr) * 2009-12-31 2011-07-07 Arcelik Anonim Sirketi Compresseur hermétique avec mesure de la température des bobinages de celui-ci
CN102522928B (zh) * 2011-11-25 2014-08-06 江苏白雪电器股份有限公司 电动机启动器、电动机的启动方法及压缩机
CN106982010B (zh) * 2017-05-13 2023-10-31 深圳市复兴伟业技术有限公司 家庭厨余垃圾处理器的专用控制器和方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544869A (en) * 1968-12-30 1970-12-01 Texas Instruments Inc A.c. motor starting control circuit utilizing triggerable semiconductor switching device with thermistor in gating circuit
US3643142A (en) * 1970-06-02 1972-02-15 Texas Instruments Inc C motor control system utilizing a selectively energizable semiconductor switch means
EP1494346B1 (fr) * 2003-07-04 2013-01-30 B.D.G. El. S.P.A. Dispositif de commande, notamment pour un moteur asynchrone et en plus particulier dans les compresseurs d'appareils frigorifiques
BRPI0303967B1 (pt) * 2003-10-08 2016-06-21 Brasil Compressores Sa dispositivo de partida para motor a indução monofásico e método de partida para motor a indução monofásico
BR0305533A (pt) * 2003-11-11 2005-07-12 Brasil Compressores Sa Dispositivo protetor de motor elétrico

Also Published As

Publication number Publication date
DK1966880T3 (da) 2011-09-19
WO2007074092A3 (fr) 2007-09-07
WO2007074092A2 (fr) 2007-07-05
ATE515100T1 (de) 2011-07-15
EP1966880A2 (fr) 2008-09-10
ES2366482T3 (es) 2011-10-20
SI1966880T1 (sl) 2012-02-29

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